pre- emergency

英 [pre- emergency]
美 [pre- emergency]

中文释义

用，应急，辅助，备急

单词分析

单词结构：

pre- emergency

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：pre- emergency
  • 核心含义：用，应急，辅助，备急

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更新时间：2026-04-17 04:56:22